77885840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57269}}^1$

素因数の和:57299

約数の個数: 40

約数和(自身を含む): 191739960

約数和(自身を除く): 113854120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 57269, 114538, 229076, 286345, 458152, 572690, 916304, 973573, 1145380, 1947146, 2290760, 3894292, 4581520, 4867865, 7788584, 9735730, 15577168, 19471460, 38942920, 77885840]

約数ペア:

[(1, 77885840), (2, 38942920), (4, 19471460), (5, 15577168), (8, 9735730), (10, 7788584), (16, 4867865), (17, 4581520), (20, 3894292), (34, 2290760), (40, 1947146), (68, 1145380), (80, 973573), (85, 916304), (136, 572690), (170, 458152), (272, 286345), (340, 229076), (680, 114538), (1360, 57269)]